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Noncommutative Principal Bundles Through Twist Deformation

Aschieri, Paolo ; Bieliavsky, Pierre ; Pagani, Chiara ; Schenkel, Alexander



Abstract

We construct noncommutative principal bundles deforming principal bundles with a Drinfeld twist (2-cocycle). If the twist is associated with the structure group then we have a deformation of the fibers. If the twist is associated with the automorphism group of the principal bundle, then we obtain noncommutative deformations of the base space as well. Combining the two twist deformations we obtain ...

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